1966

6.3

2016

7.3

2012

9.7

1994

6.7

1967

6.7

2008

6.9

2017

7.3

2012

6.6

2017

6.5

1989

6.6

2000

7.3

2001

6.8

2006

6.4

2008

6.7

1995

4.6

1993

6.5

1997

7.4

2021

7.7

2004

6.4

2017

6.6